Muhamad B. Ali Rustum Al-Khurasani, who between 1146 and 1169, constructed the clock placed at the Bab Jairun (often called the bab as'aa, (door of the clock) of the Mosque of the Umayyads in Damascus, which had been burnt down in 1166-7. This clock was seen and described by travellers such as Ibn J...

Muhammad Baqir ibn Zayn al-'Abidin Yazdi, or Muhammad Baqir Yazdi as he is commonly referred to, wrote over a dozen works on astronomy and mathematics.Apparently, he was still active until 1637 CE.
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Muhammad ibn Abi Bakr al-Farisi was an Islamic astronomer born in Aden. He is the author of al-Tuḥfa, which includes a treatise containing important information for the history of Islamic astronomy and its connection with the religion of Islam.